Dione (buwan)

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Dione
PIA19650-SaturnMoon-Dione-20150817.jpg
Dione viewed by Cassini just before its final close flyby on August 17, 2015 - Saturn and its rings are in the background.
Pagkatuklas
Natuklasan ni Giovanni Cassini
Natuklasan noong March 21, 1684
Mga designasyon
(Mga) pamalit na pangalan Saturn IV
Tinatawag rin bilang Dionean
Semi-major axis 377396 km
Eccentricity 0.0022[1]
Orbital period 2.736915 d[1]
Inklinasyon 0.019° (to Saturn's equator)
Satelayt ng Saturn
Mga katangiang pisikal
Kaanyuan 1128.8 × 1122.6 × 1119.2 km[2]
Mean radius 561.4±0.4 km[2]
Surface area 3964776.51 km2[3]
Mass (1.095452±0.000168)×1021 kg[4] (3.28×10-4 Earths)
Mean density 1.478±0.003 g/cm³[2]
Equatorial surface gravity 0.233 m/s2
Escape velocity 0.51 km/s
Rotation period 2.736915 d
(synchronous)
Axial tilt zero
Albedo 0.998±0.004 (geometric)[5]
Temperatura 87 K (−186°C)
Apparent magnitude 10.4 [6]

Ang Dione ay isang buwan sa Saturn.

Mga sanggunian[baguhin | baguhin ang batayan]

  1. 1.0 1.1 http://exp.arc.nasa.gov/downloads/celestia/data/solarsys.ssc[patay na kawing] Exp.arc.nasa.gov Retrieved on 05-21-07
  2. 2.0 2.1 2.2 Roatsch, T.; Jaumann, R.; Stephan, K.; Thomas, P. C. (2009). "Cartographic Mapping of the Icy Satellites Using ISS and VIMS Data". Saturn from Cassini-Huygens. pp. 763–781. doi:10.1007/978-1-4020-9217-6_24. ISBN 978-1-4020-9216-9. 
  3. Phil Davis? (April 1, 2011). "Solar System Exploration: Planets: Saturn: Moons: Dione: Facts & Figures". NASA. http://solarsystem.nasa.gov/planets/profile.cfm?Object=Sat_Dione&Display=Facts. Hinango noong March 24, 2013. 
  4. Jacobson, R. A.; Antreasian, P. G.; Bordi, J. J.; Criddle, K. E.; Ionasescu, R.; Jones, J. B.; Mackenzie, R. A.; Meek, M. C. et al. (December 2006). "The Gravity Field of the Saturnian System from Satellite Observations and Spacecraft Tracking Data". The Astronomical Journal 132 (6): 2520–2526. Bibcode 2006AJ....132.2520J. doi:10.1086/508812. http://iopscience.iop.org/1538-3881/132/6/2520/fulltext. 
  5. Verbiscer, A.; French, R.; Showalter, M.; Helfenstein, P. (9 February 2007). "Enceladus: Cosmic Graffiti Artist Caught in the Act". Science 315 (5813): 815. Bibcode 2007Sci...315..815V. doi:10.1126/science.1134681. PMID 17289992. http://www.sciencemag.org/content/315/5813/815.abstract. Hinango noong 20 December 2011.  (supporting online material, table S1)
  6. Observatorio ARVAL (April 15, 2007). "Classic Satellites of the Solar System". Observatorio ARVAL. http://www.oarval.org/ClasSaten.htm. Hinango noong 2011-12-17. 


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